/* 整体布局 开始 */
#banner {
    padding: 32px 0;
    transition: 1s;
}

.banner-box {
    height: 482px;
}

.g-banner {
    height: 382px;
}
.sys-class {
    height: 100px;
    border-radius: 0 0 8px 8px;
    background-color: #fff;
    box-shadow: 0 5px 20px 5px rgba(0, 0, 0, .1);
}

.course-list {
    width: 256px;
    height: 382px;
    border-radius: 8px 0 0 0;
    background-color: #39364D;
    color: #fff;
}

.swiper {
    position: relative;
    width: 896px;
    height: 382px;
    border-radius: 0 8px  0 0;
}
/* 整体布局 结束 */


/* 左侧课程分类列表 开始 */
.course-list ul {
    margin-top: 20px;
}

.course-list li {
    cursor: pointer;
    height: 50px;
    line-height: 50px;
    padding: 0 10px;
}

.course-list li:hover {
    background-color: rgba(255, 255, 255, .1);
}

.course-list .title {
    font-size: 14px;
}
.course-list .sub-title {
    font-size: 12px;
}
.course-list .iconfont {
    float: right;
}

/* 左侧课程分类列表 结束 */


/* 轮播图 */
.swiper a {
    display: block;
    width: 896px;
    height: 382px;
    background-image: url(../images/swiper/swiper-1.jpg);
    background-size: 896px;
    border-radius: 0 8px 0 0;
    transition: 1s;
}

/* 左右切换按钮 */
.swiper .arrow {
    position: absolute;
    width: 50px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, .1);
}

.swiper .arrow:hover {
    background-color: rgba(0, 0, 0, .1);
}

.arrow .iconfont {
    font-size: 30px;
    font-weight: 700;
}

.arrow-l {
    left: 20px;
    top: 160px;
}

.arrow-r {
    right: 20px;
    top: 160px
}


/* 切图按钮 */

.circle-list {
    position: absolute;
    right: 120px;
    bottom: 25px;
}

.circle-list li {
    cursor: pointer;
    float: left;
    width: 8px;
    height: 8px;
    margin-left: 5px;
    border-radius: 50%;
    background-color: #fff;
}

.circle-list li.current {
    width: 20px;
    border-radius: 4px;
}

/* 下方体系课 */
.show-box {
    display: inline-block;
    width: 192px;
    height: 45px;
    margin-top: 27px;
    margin-left: 15px;
}

.show-box .sys-icon {
    width: 45px;
    height: 45px;
    background-size: cover;
    margin-right: 8px;
}

.show-box .title:hover h4 {
    color: #ec1500;
}

.show-box h4 {
    font-size: 14px;
}

.show-box p {
    font-size: 12px;
}

.sys-class .line {
    display: inline-block;
    width: 2px;
    height: 40px;
    background-color: #e8e8e8;
}

.sys-class .more-btn {
    display: inline-block;
    font-size: 12px;
    margin-left: 16px;
}

.sys-class .more-btn .iconfont {
    font-size: 12px;
}

.sys-icon {
    transition: .2s;
}

.sys-icon:hover {
    transform: translateY(-2px);
}